Science

Wednesday, 10 December 2025
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

Did you know?

Earth
Due to the Earth's rotation, the diameter of the equator is 43 km larger than the polar diameter.
The Earth is therefore a slightly flattened ball - this shape is called a geoid.
Milky Way
Although not every galaxy has a supermassive black hole at its center, there is one in the center of the Milky Way.
This region, called Sagittarius A*, is a very bright and compact radio source with a mass of 3.7 million solar masses and a diameter of approximately 44 million kilometers.
Brain
The brain produces about 25 watts of energy.
It does not happen that the brain does not function even for a nanosecond. It constantly analyzes, t ...
Moon
The diameter of the Moon is 3474 km, which means it is approximately 1/4 of the diameter of the Earth.
Aurora
In the language of the Sámi people (the native inhabitants of Lapland), the name of the aurora "guovssahasah" means "the sun shining in the sky in the morning or evening".
The Sámi people claimed that creating a song about the aurora borealis is dangerous and threatens to draw polar light on themselves, which bode inevitable death.
Large Magellanic Cloud
One of the largest globular clusters in the galaxy is NGC 1783.
NASA
On September 26th, 2022, the DART mission successfully hit an asteroid.
The Double Asteroid Redirection Test (DART) mission launched on November 24th, 2021 with an aim of c ...
Aurora
There are two types of auroras: northern - Aurora Borealis, and southern - Aurora Australis.
Amber
Paleontologists used organisms trapped within amber to identify over 1,000 extinct species.
Liver
The liver is one of the most essential organs in endocrine balance.
It breaks down hormones, especially estrogen and androgen. Functionality disorder may lead to acne problems or scalp hair loss in men, and menstrual cramps, fluid retention, or lumpy breast in women.